28336464 has 60 divisors (see below), whose sum is σ = 85408596. Its totient is φ = 8718336.

The previous prime is 28336457. The next prime is 28336481. The reversal of 28336464 is 46463382.

It is a happy number.

28336464 is a `hidden beast` number, since 2 + 8 + 3 + 3 + 646 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 10188864 + 18147600 = 3192^2 + 4260^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5697 + ... + 9440.

Almost surely, 2^28336464 is an apocalyptic number.

28336464 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

28336464 is an abundant number, since it is smaller than the sum of its proper divisors (57072132).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28336464 is a wasteful number, since it uses less digits than its factorization.

28336464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15164 (or 15155 counting only the distinct ones).

The product of its digits is 82944, while the sum is 36.

The square root of 28336464 is about 5323.2005410279. The cubic root of 28336464 is about 304.8703704261.

The spelling of 28336464 in words is "twenty-eight million, three hundred thirty-six thousand, four hundred sixty-four".